Andrew's git - gitweb.git/blob

   1#ifndef CACHE_TREE_H
   2#define CACHE_TREE_H
   3
   4#include "cache.h"
   5#include "tree.h"
   6#include "tree-walk.h"
   7
   8struct cache_tree;
   9struct cache_tree_sub {
  10        struct cache_tree *cache_tree;
  11        int count;              /* internally used by update_one() */
  12        int namelen;
  13        int used;
  14        char name[FLEX_ARRAY];
  15};
  16
  17struct cache_tree {
  18        int entry_count; /* negative means "invalid" */
  19        struct object_id oid;
  20        int subtree_nr;
  21        int subtree_alloc;
  22        struct cache_tree_sub **down;
  23};
  24
  25struct cache_tree *cache_tree(void);
  26void cache_tree_free(struct cache_tree **);
  27void cache_tree_invalidate_path(struct index_state *, const char *);
  28struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
  29
  30void cache_tree_write(struct strbuf *, struct cache_tree *root);
  31struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
  32
  33int cache_tree_fully_valid(struct cache_tree *);
  34int cache_tree_update(struct index_state *, int);
  35
  36int update_main_cache_tree(int);
  37
  38/* bitmasks to write_cache_as_tree flags */
  39#define WRITE_TREE_MISSING_OK 1
  40#define WRITE_TREE_IGNORE_CACHE_TREE 2
  41#define WRITE_TREE_DRY_RUN 4
  42#define WRITE_TREE_SILENT 8
  43#define WRITE_TREE_REPAIR 16
  44
  45/* error return codes */
  46#define WRITE_TREE_UNREADABLE_INDEX (-1)
  47#define WRITE_TREE_UNMERGED_INDEX (-2)
  48#define WRITE_TREE_PREFIX_ERROR (-3)
  49
  50int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
  51int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix);
  52void prime_cache_tree(struct index_state *, struct tree *);
  53
  54extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
  55
  56#endif